Diisopropylethylamine → rac-(2S,3R,4S,5R)-4-(3-chloro-2-fluoro-phenyl)-3-(4-chloro-2-fluoro-phenyl)-2-(2,2-dimethyl-propyl)-5-(3-hydroxy-azetidine-1-carbonyl)-pyrrolidine-3-carbonitrile
Reaction equation
FC(F)(F)C(O)=O.[Cl:8][C:9]1[C:10]([F:38])=[C:11]([CH:15]2[C:19]([C:22]3[CH:27]=[CH:26][C:25]([Cl:28])=[CH:24][C:23]=3[F:29])([C:20]#[N:21])[CH:18]([CH2:30][C:31]([CH3:34])([CH3:33])[CH3:32])[NH:17][CH:16]2[C:35]([OH:37])=O)[CH:12]=[CH:13][CH:14]=1.Cl.[NH:40]1[CH2:43][CH:42]([OH:44])[CH2:41]1.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C>C(Cl)Cl>[Cl:8][C:9]1[C:10]([F:38])=[C:11]([CH:15]2[CH:16]([C:35]([N:40]3[CH2:43][CH:42]([OH:44])[CH2:41]3)=[O:37])[NH:17][CH:18]([CH2:30][C:31]([CH3:32])([CH3:34])[CH3:33])[C:19]2([C:22]2[CH:27]=[CH:26][C:25]([Cl:28])=[CH:24][C:23]=2[F:29])[C:20]#[N:21])[CH:12]=[CH:13][CH:14]=1Participants
6
Reactant 4
Product 1
Reagents, catalysts & solvents 1
Procedure
In a manner similar to the method described in Examples 1e, rac-(2R,3S,4R,5S)-3-(3-chloro-2-fluoro-phenyl)-4-(4-chloro-2-fluoro-phenyl)-4-cyano-5-(2,2-dimethyl-propyl)-pyrrolidine-2-carboxylic acid trifluoroacetic acid prepared in Example 52c (0.25 g, 0.43 mmol) was reacted with azetidin-3-ol hydrochloride (Matrix) (0.25 g, 2.7 mmol), HATU (0.4 g, 1 mmol) and iPr2NEt (0.6 g, 4.6 mmol) in CH2Cl2 at room temperature for 20 h to give rac-(2S,3R,4S,5R)-4-(3-chloro-2-fluoro-phenyl)-3-(4-chloro-2-fluoro-phenyl)-2-(2,2-dimethyl-propyl)-5-(3-hydroxy-azetidine-1-carbonyl)-pyrrolidine-3-carbonitrile as a white solid (0.2 g, 89%).
Sources & evidence
- ORD record
- ord-e1539197266548b5ae29bffdeb486a04
- Source dataset
- uspto-grants-2013_01
- Patent number
- US08354444B2
Reaction notes
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